[Jerzmacow] got his hands on this Verifone Vx570 handheld payment terminal at a flea market. It's got a thermal printer, a magnetic card reader, and then there's the big LCD screen and buttons. In other words, lots of parts for his hacking amusement. But first, he decided to take a look at the parts that went into the design. He carefully disassembled the device, documenting what he found along … [Read more...]
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